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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">vtio</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник трансплантологии и искусственных органов</journal-title><trans-title-group xml:lang="en"><trans-title>Russian Journal of Transplantology and Artificial Organs</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1995-1191</issn><publisher><publisher-name>Academician V.I.Shumakov National Medical Research Center of Transplantology and Artificial Organs", Ministry of Health of the Russian Federation</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.15825/1995-1191-2023-3-87-96</article-id><article-id custom-type="elpub" pub-id-type="custom">vtio-1669</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>Регенеративная медицина и клеточные технологии</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Regenerative Medicine and Cell Technologies</subject></subj-group></article-categories><title-group><article-title>Способ уменьшения хирургической пористости протезов кровеносных сосудов малого диаметра</article-title><trans-title-group xml:lang="en"><trans-title>Technique for reducing the surgical porosity of small-diameter vascular grafts</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Немец</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Nemets</surname><given-names>E. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Немец Евгений Абрамович?</p><p>123182, Москва, ул. Щукинская, д. 1</p></bio><bio xml:lang="en"><p>Moscow</p></bio><email xlink:type="simple">evgnemets@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Хайруллина</surname><given-names>А. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Khairullina</surname><given-names>A. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Долгопрудный</p></bio><bio xml:lang="en"><p>Dolgoprudny</p></bio><email xlink:type="simple">alinka26di@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Белов</surname><given-names>В. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Belov</surname><given-names>V. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><email xlink:type="simple">w.000000000@yandex.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сургученко</surname><given-names>В. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Surguchenko</surname><given-names>V. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><email xlink:type="simple">valent.egorova@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Василец</surname><given-names>В. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Vasilets</surname><given-names>V. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>г. Черноголовка</p></bio><bio xml:lang="en"><p>Chernogolovka</p></bio><email xlink:type="simple">vnvasilets@yandex.ru</email><xref ref-type="aff" rid="aff-4"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Волкова</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Sevastianov</surname><given-names>V. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><email xlink:type="simple">viksev@yandex.ru</email><xref ref-type="aff" rid="aff-5"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Басок</surname><given-names>Ю. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Volkova</surname><given-names>E. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Севастьянов</surname><given-names>В. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Basok</surname><given-names>Yu. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><email xlink:type="simple">bjb2005@mail.ru</email><xref ref-type="aff" rid="aff-6"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБУ «Национальный медицинский исследовательский центр трансплантологии и искусственных органов имени академика В.И. Шумакова» Минздрава России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Shumakov National Medical Research Center of Transplantology and Artificial Organs</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ФГАОУ ВО «Московский физико-технический институт (Национальный исследовательский университет)»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Moscow Institute of Physics and Technology</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>ФГБУ «Национальный медицинский исследовательский центр трансплантологии и искусственных органов имени академика В.И. Шумакова» Минздрава России;&#13;
АНО «Институт медико-биологических исследований и технологий»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Shumakov National Medical Research Center of Transplantology and Artificial Organs;&#13;
Institute of Biomedical Research and Technology</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru"><institution>ФГБУН «Федеральный исследовательский центр химической физики имени Н.Н. Семенова» Российской академии наук, отделение в г. Черноголовка</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Semenov Federal Research Center for Chemical Physics</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-5"><aff xml:lang="ru"><institution>ФГБУ «Национальный медицинский исследовательский центр трансплантологии и искусственных органов имени академика В.И. Шумакова» Минздрава России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Shumakov National Medical Research Center of Transplantology and Artificial Organs;&#13;
Institute of Biomedical Research and Technology</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-6"><aff xml:lang="ru"><institution>ФГБУ «Национальный медицинский исследовательский центр трансплантологии и искусственных органов имени академика В.И. Шумакова» Минздрава России;&#13;
АНО «Институт медико-биологических исследований и технологий»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Shumakov National Medical Research Center of Transplantology and Artificial Organs</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>17</day><month>07</month><year>2023</year></pub-date><volume>25</volume><issue>3</issue><fpage>87</fpage><lpage>96</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Немец Е.А., Хайруллина А.И., Белов В.Ю., Сургученко В.А., Василец В.Н., Волкова Е.А., Басок Ю.Б., Севастьянов В.И., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Немец Е.А., Хайруллина А.И., Белов В.Ю., Сургученко В.А., Василец В.Н., Волкова Е.А., Басок Ю.Б., Севастьянов В.И.</copyright-holder><copyright-holder xml:lang="en">Nemets E.A., Khairullina A.I., Belov V.Y., Surguchenko V.A., Vasilets V.N., Sevastianov V.I., Volkova E.A., Basok Y.B.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://journal.transpl.ru/vtio/article/view/1669">https://journal.transpl.ru/vtio/article/view/1669</self-uri><abstract><p>Высокая хирургическая пористость (ХП) является одной из причин значительной кровопотери, а также образования гематом, поэтому снижение ХП протезов кровеносных сосудов является актуальной задачей.</p><p>Целью данной работы была разработка технологии формирования протезов кровеносных сосудов (ПКС) малого диаметра на основе поликапролактона (ПКЛ) с биоактивным покрытием со сниженной ХП.</p><sec><title>Материалы и методы</title><p>Материалы и методы. Пористые ПКС с внутренним диаметром 3 мм изготавливали методом электроспиннинга из 5% раствора ПКЛ с добавлением 5–30% желатина (ПКЛ-Ж) на установке NANON-01A («MECC CO», Япония). Биоактивное покрытие наносили последовательной инкубацией ПКС в растворах бычьего сывороточного альбумина, гепарина и лизата тромбоцитов с фиксацией в растворе глутаровом альдегида. Исследовали структуру поверхности, механические свойства образцов. Функциональные свойства биоактивных ПКС оценивали относительно их взаимодействия с клеточными культурами in vitro.</p></sec><sec><title>Результаты</title><p>Результаты. Установлено, что введение в рабочий раствор желатина приводит к снижению ХП с 30,4 ± 1,5 мл/(см2 ·мин) до 2,8 ± 0,5 мл/(см2 ·мин). Показано, что при соотношении ПКЛ : желатин, равном 9 : 1, для внешней и внутренней стороны образцов биоактивных ПКС характерны однородность (отсутствие дефектов) поверхности, близкие к кровеносным сосудам того же диаметра механические свойства (модуль Юнга 6,7 ± 2,1 МПа, усилие до разрыва 26,7 ± 4,9 Н и удлинение до разрыва 423 ± 80%) и способность поддерживать адгезию и пролиферацию эндотелиальных клеток человека линии EA.hy926.</p></sec><sec><title>Заключение</title><p>Заключение. Введение в раствор ПКЛ 10% концентрации желатина (по весу полимера) приводит к снижению хирургической пористости ПКС малого диаметра, однородности его внутренней и внешней поверхности, улучшению его механических свойств без снижения способности поддерживать адгезию и пролиферацию клеток сосудистого эндотелия.</p></sec></abstract><trans-abstract xml:lang="en"><p>High surgical porosity (SP) is one of the causes of significant blood loss, as well as hematoma formation. So, reducing the SP of small-diameter vascular grafts (VGs) is a crucial task.</p><p>The objective of this work was to develop a technology for the formation of polycaprolactone (PCL)-based small-diameter VGs with a bioactive coating with reduced SP.</p><sec><title>Materials and methods</title><p>Materials and methods. Porous VGs with an inner diameter of 3 mm were fabricated by electrospinning from 5% PCL solution with addition of 5–30% gelatin (PCL/G) on an NANON-01A unit (MECC CO, Japan). Bioactive coating was applied by sequential incubation of VGs in solutions of bovine serum albumin, heparin and platelet lysate with fixation in a glutaric aldehyde solution. The surface structure and mechanical properties of the samples were investigated. Functional properties of the bioactive VGs were evaluated in relation to their interaction with cell cultures in vitro.</p></sec><sec><title>Results</title><p>Results. It was found that introduction of gelatin into the working solution reduces SP from 30.4 ± 1.5 mL/(cm2 ·min) to 2.8 ± 0.5 ml/(cm2 ·min). It was shown that at a PCL/gelatin ratio of 9 : 1, the outer and inner sides of the bioactive VGs samples are characterized by surface uniformity (no defects), mechanical properties close to blood vessels of the same diameter (Young’s modulus 6.7 ± 2.1 MPa, tensile strength 26.7 ± 4.9 N and elongation to break 423 ± 80%) and ability to support adhesion and proliferation of human umbilical vein endothelial cell line, EA.hy926.</p></sec><sec><title>Conclusion</title><p>Conclusion. Introduction of 10% gelatin content (by the polymer weight) into PCL solution reduces the SP of small-diameter VGs, leads to uniformity in their inner and outer surface, improvement in their mechanical properties without reducing their ability to support adhesion and proliferation of vascular endothelial cells.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>протез кровеносных сосудов малого диаметра</kwd><kwd>поликапролактон</kwd><kwd>желатин</kwd><kwd>хирургическая пористость</kwd><kwd>механические свойства</kwd><kwd>эндотелиальные клетки</kwd></kwd-group><kwd-group xml:lang="en"><kwd>small-diameter vascular grafts</kwd><kwd>polycaprolactone</kwd><kwd>gelatin</kwd><kwd>surgical porosity</kwd><kwd>mechanical properties</kwd><kwd>endothelial cells</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Протезы кровеносных сосудов. Общие технические требования. 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